package com.tian.controller;

import com.tian.pojo.Items;
import com.tian.pojo.ItemsImg;
import com.tian.pojo.ItemsParam;
import com.tian.pojo.ItemsSpec;
import com.tian.pojo.vo.CommentLevelCountsVO;
import com.tian.pojo.vo.ItemInfoVO;
import com.tian.pojo.vo.ShopcartVO;
import com.tian.service.ItemService;
import com.tian.utils.JSONResult;
import com.tian.utils.PagedGridResult;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@Api(value = "商品信息",tags = "商品信息展示的相关接口")
@RestController
@RequestMapping("items")
public class ItemsController extends BaseController{

    @Autowired
    private ItemService itemService;

    @ApiOperation(value = "查询商品详情",notes = "查询商品详情",httpMethod = "GET")
    @GetMapping("/info/{itemId}")
    public JSONResult info(
            @ApiParam(name = "itemId",value = "商品id",required = true)
            @PathVariable String itemId
    ){
        if (StringUtils.isBlank(itemId)){
            return JSONResult.errorMsg(null);
        }
        Items item = itemService.queryItemById(itemId);
        List<ItemsImg> itemsImgs = itemService.queryItemImgList(itemId);
        List<ItemsSpec> itemsSpecs = itemService.queryItemSpecList(itemId);
        ItemsParam itemsParam = itemService.queryItemParam(itemId);

        ItemInfoVO itemInfoVO=new ItemInfoVO();
        itemInfoVO.setItem(item);
        itemInfoVO.setItemImgList(itemsImgs);
        itemInfoVO.setItemSpecList(itemsSpecs);
        itemInfoVO.setItemParams(itemsParam);

        return JSONResult.ok(itemInfoVO);
    }

    @ApiOperation(value = "查询商品评价等级",notes = "查询商品评价等级",httpMethod = "GET")
    @GetMapping("/commentLevel")
    public JSONResult commentLevel(
            @ApiParam(name = "itemId",value = "商品id",required = true)
            @RequestParam String itemId
    ){
        if (StringUtils.isBlank(itemId)){
            return JSONResult.errorMsg(null);
        }
        CommentLevelCountsVO commentLevelCountsVO = itemService.queryCommentCounts(itemId);
        return JSONResult.ok(commentLevelCountsVO);
    }

    @ApiOperation(value = "查询商品评论",notes = "查询商品评价",httpMethod = "GET")
    @GetMapping("/comments")
    public JSONResult comments(
            @ApiParam(name = "itemId",value = "商品id",required = true)
            @RequestParam String itemId,
            @ApiParam(name = "level",value = "评价等级",required = false)
            @RequestParam Integer level,
            @ApiParam(name = "page",value = "查询下一页的第几页",required = false)
            @RequestParam Integer page,
            @ApiParam(name = "pageSize",value = "分页的每一页显示的条数",required = false)
            @RequestParam Integer pageSize

    ){
        if (StringUtils.isBlank(itemId)){
            return JSONResult.errorMsg(null);
        }
        if (page==null){
            page=1;
        }
        if (pageSize==null){
            pageSize=COMMON_PAGE_SIZE;
        }

        PagedGridResult gridResult = itemService.queryPagedComments(itemId, level, page, pageSize);

        return JSONResult.ok(gridResult);
    }


    @ApiOperation(value = "搜索商品列表",notes = "搜索商品列表",httpMethod = "GET")
    @GetMapping("/search")
    public JSONResult search(
            @ApiParam(name = "keywords",value = "关键字",required = true)
            @RequestParam String keywords,
            @ApiParam(name = "sort",value = "排序",required = false)
            @RequestParam String sort,
            @ApiParam(name = "page",value = "查询下一页的第几页",required = false)
            @RequestParam Integer page,
            @ApiParam(name = "pageSize",value = "分页的每一页显示的条数",required = false)
            @RequestParam Integer pageSize

    ){
        if (StringUtils.isBlank(keywords)){
            return JSONResult.errorMsg(null);
        }
        if (page==null){
            page=1;
        }
        if (pageSize==null){
            pageSize=PAGE_SIZE;
        }

        PagedGridResult gridResult = itemService.searchItems(keywords, sort, page, pageSize);

        return JSONResult.ok(gridResult);
    }


    @ApiOperation(value = "通过分类id搜索商品列表",notes = "通过分类id搜索商品列表",httpMethod = "GET")
    @GetMapping("/catItems")
    public JSONResult catItems(
            @ApiParam(name = "catId",value = "三级分类id",required = true)
            @RequestParam Integer catId,
            @ApiParam(name = "sort",value = "排序",required = false)
            @RequestParam String sort,
            @ApiParam(name = "page",value = "查询下一页的第几页",required = false)
            @RequestParam Integer page,
            @ApiParam(name = "pageSize",value = "分页的每一页显示的条数",required = false)
            @RequestParam Integer pageSize

    ){
        if (catId==null){
            return JSONResult.errorMsg(null);
        }
        if (page==null){
            page=1;
        }
        if (pageSize==null){
            pageSize=PAGE_SIZE;
        }

        PagedGridResult gridResult = itemService.searchItems(catId, sort, page, pageSize);

        return JSONResult.ok(gridResult);
    }

    //用于用户长时间未登录网站，刷新购物车中的数据（主要是商品价格）
    @ApiOperation(value = "根据商品规格ids查找最新的商品数据",notes = "根据商品规格ids查找最新的商品数据",httpMethod = "GET")
    @GetMapping("/refresh")
    public JSONResult refresh(
            @ApiParam(name = "itemSpecIds",value = "拼接的规格ids",required = true,example = "1001,1003,1005")
            @RequestParam String itemSpecIds
    ){
        if (StringUtils.isBlank(itemSpecIds)){
            return JSONResult.ok(); //说明当前购物车已经是最新的了
        }
        List<ShopcartVO> shopcartVOS = itemService.queryItemsBySpecIds(itemSpecIds);

        return JSONResult.ok(shopcartVOS);
    }

}
